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Standard X

Mathematics

Tangents from External Points

In the figure...

Question

In the figure, the pair of tangents AP and AQ drawn form an external point A to a circle with centre O are perpendicular to each other and length of each tangent is 5 cm. Then the radius of the circle is:

7.5 cm

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5 cm

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10 cm

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2.5 cm

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Solution

The correct option is B
5 cm

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In the figure, the pair of tangents AP and AQ drawn form an external point A to a circle with centre O are perpendicular to each other and length of each tangent is 5 cm. Then the radius of the circle is:

The correct option is B 5 cm

The correct option is B
5 cm